diff --git a/Makefile b/Makefile
index 870166c0..62924d7e 100644
--- a/Makefile
+++ b/Makefile
@@ -198,13 +198,15 @@ bench: bench-lmdb.txt bench-mdbx.txt
 
 endif
 
-ci-rule = @( CC=$$(which $1); if [ -n "$$CC" ]; then \
+ci-rule = ( CC=$$(which $1); if [ -n "$$CC" ]; then \
 		CC=$$(readlink -f $$CC); echo -n "probe by $2 ($$CC): " && \
 		$(MAKE) clean >$1.log 2>$1.err && $(MAKE) all check 1>$1.log 2>$1.err && echo "OK" \
 			|| ( echo "FAILED"; cat $1.err >&2; exit 1 ); \
 	else echo "no $2 ($1) for probe"; fi; )
 ci:
-	$(call ci-rule,cc,default C compiler)
-	$(call ci-rule,gcc,GCC)
-	$(call ci-rule,clang,clang LLVM)
-	$(call ci-rule,icc,Intel C)
+	@if [ "$(CC)" != "gcc" ]; then \
+		$(call ci-rule,$(CC),default C compiler); \
+	fi
+	@$(call ci-rule,gcc,GCC)
+	@$(call ci-rule,clang,clang LLVM)
+	@$(call ci-rule,icc,Intel C)