diff --git a/GNUmakefile b/GNUmakefile
index ca296a1b..ee8ef33f 100755
--- a/GNUmakefile
+++ b/GNUmakefile
@@ -52,7 +52,7 @@ endif
 IS_X86 := $(shell echo "$(HOSTX)" | $(GREP) -v "64" | $(GREP) -i -c -E 'i.86|x86|i86')
 IS_X64 := $(shell echo "$(HOSTX)" | $(GREP) -i -c -E '_64|d64')
 IS_PPC32 := $(shell echo "$(HOSTX)" | $(GREP) -v "64" | $(GREP) -i -c -E 'ppc|power')
-IS_PPC64 := $(shell echo "$(HOSTX)" | $(GREP) -i -c -E 'ppc64|power64')
+IS_PPC64 := $(shell echo "$(HOSTX)" | $(GREP) -i -c -E 'ppc64|powerpc64|power64')
 IS_SPARC32 := $(shell echo "$(HOSTX)" | $(GREP) -v "64" | $(GREP) -i -c -E 'sun|sparc')
 IS_SPARC64 := $(shell echo "$(HOSTX)" | $(GREP) -i -c -E 'sun|sparc64')
 IS_ARM32 := $(shell echo "$(HOSTX)" | $(GREP) -i -c -E 'arm|armhf|arm7l|eabihf')