diff --git a/Makefile.install b/Makefile.install
index 28727de37..87b5bc870 100644
--- a/Makefile.install
+++ b/Makefile.install
@@ -14,6 +14,11 @@ OPENBLAS_CMAKE_CONFIG := OpenBLASConfig.cmake
 OPENBLAS_CMAKE_CONFIG_VERSION := OpenBLASConfigVersion.cmake
 OPENBLAS_PKGCONFIG_DIR := $(OPENBLAS_LIBRARY_DIR)/pkgconfig
 PKG_EXTRALIB := $(EXTRALIB)
+ifeq ($(INTERFACE64),1)
+	SUFFIX64=64
+endif
+PKGFILE="$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE)$(SUFFIX64).pc"
+
 ifeq ($(USE_OPENMP), 1)
   ifeq ($(C_COMPILER), PGI)
           PKG_EXTRALIB += -lomp
@@ -150,13 +155,19 @@ endif
 endif
 
 #Generating openblas.pc
-	@echo Generating $(LIBSONAMEBASE).pc in "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)"
-	@echo 'libdir='$(OPENBLAS_LIBRARY_DIR) > "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
-	@echo 'includedir='$(OPENBLAS_INCLUDE_DIR) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
-	@echo 'openblas_config= USE_64BITINT='$(USE_64BITINT) 'DYNAMIC_ARCH='$(DYNAMIC_ARCH) 'DYNAMIC_OLDER='$(DYNAMIC_OLDER) 'NO_CBLAS='$(NO_CBLAS) 'NO_LAPACK='$(NO_LAPACK) 'NO_LAPACKE='$(NO_LAPACKE) 'NO_AFFINITY='$(NO_AFFINITY) 'USE_OPENMP='$(USE_OPENMP) $(CORE) 'MAX_THREADS='$(NUM_THREADS)>> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
-	@echo 'version='$(VERSION) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
-	@echo 'extralib='$(PKG_EXTRALIB) >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
-	@cat openblas.pc.in >> "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE).pc"
+ifeq ($(INTERFACE64),1)
+	SUFFIX64=64
+endif
+	PKGFILE="$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)/$(LIBSONAMEBASE)$(SUFFIX64).pc"
+
+	@echo Generating $(LIBSONAMEBASE)$(SUFFIX64).pc in "$(DESTDIR)$(OPENBLAS_PKGCONFIG_DIR)"
+	@echo 'libdir='$(OPENBLAS_LIBRARY_DIR) > "$(PKGFILE)"
+	@echo 'libsuffix='$(SYMBOLSUFFIX) >> "$(PKGFILE)"
+	@echo 'includedir='$(OPENBLAS_INCLUDE_DIR) >> "$(PKGFILE)"
+	@echo 'openblas_config= USE_64BITINT='$(INTERFACE64) 'DYNAMIC_ARCH='$(DYNAMIC_ARCH) 'DYNAMIC_OLDER='$(DYNAMIC_OLDER) 'NO_CBLAS='$(NO_CBLAS) 'NO_LAPACK='$(NO_LAPACK) 'NO_LAPACKE='$(NO_LAPACKE) 'NO_AFFINITY='$(NO_AFFINITY) 'USE_OPENMP='$(USE_OPENMP) $(CORE) 'MAX_THREADS='$(NUM_THREADS)>> "$(PKGFILE)"
+	@echo 'version='$(VERSION) >> "$(PKGFILE)"
+	@echo 'extralib='$(PKG_EXTRALIB) >> "$(PKGFILE)"
+	@cat openblas.pc.in >> "$(PKGFILE)"
 
 
 #Generating OpenBLASConfig.cmake
diff --git a/cmake/openblas.pc.in b/cmake/openblas.pc.in
index 0bd49f996..7e120af86 100644
--- a/cmake/openblas.pc.in
+++ b/cmake/openblas.pc.in
@@ -2,7 +2,7 @@ libdir=@CMAKE_INSTALL_FULL_LIBDIR@
 libsuffix=@SUFFIX64_UNDERSCORE@
 includedir=@CMAKE_INSTALL_FULL_INCLUDEDIR@
 
-openblas_config=USE_64BITINT=@USE_64BITINT@ NO_CBLAS=@NO_CBLAS@ NO_LAPACK=@NO_LAPACK@ NO_LAPACKE=@NO_LAPACKE@ DYNAMIC_ARCH=@DYNAMIC_ARCH@ DYNAMIC_OLDER=@DYNAMIC_OLDER@ NO_AFFINITY=@NO_AFFINITY@ USE_OPENMP=@USE_OPENMP@ @CORE@ MAX_THREADS=@NUM_THREADS@ 
+openblas_config=USE_64BITINT=@INTERFACE64@ NO_CBLAS=@NO_CBLAS@ NO_LAPACK=@NO_LAPACK@ NO_LAPACKE=@NO_LAPACKE@ DYNAMIC_ARCH=@DYNAMIC_ARCH@ DYNAMIC_OLDER=@DYNAMIC_OLDER@ NO_AFFINITY=@NO_AFFINITY@ USE_OPENMP=@USE_OPENMP@ @CORE@ MAX_THREADS=@NUM_THREADS@ 
 Name: OpenBLAS
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: @OPENBLAS_VERSION@
diff --git a/openblas.pc.in b/openblas.pc.in
index ff849807c..8ad6e8bee 100644
--- a/openblas.pc.in
+++ b/openblas.pc.in
@@ -2,6 +2,6 @@ Name: openblas
 Description: OpenBLAS is an optimized BLAS library based on GotoBLAS2 1.13 BSD version
 Version: ${version}
 URL: https://github.com/xianyi/OpenBLAS
-Libs: -L${libdir} -lopenblas
+Libs: -L${libdir} -lopenblas${libsuffix}
 Libs.private: ${extralib}
 Cflags: -I${includedir}