diff --git a/Makefile b/Makefile
index d88e781..cf923e0 100644
--- a/Makefile
+++ b/Makefile
@@ -3,7 +3,7 @@ CC ?= cc
 CFLAGS = -O2 -std=c99 -Wall -Wextra
 LDFLAGS = -lpthread
 DEBUGFLAGS = -g -Og -std=c99 -Wall -Wextra
-PREFIX ?= /usr/local
+PREFIX ?= ${HOME}/.local
 
 all: afetch
 
diff --git a/src/fetch.c b/src/fetch.c
index 4729b80..6cfb086 100644
--- a/src/fetch.c
+++ b/src/fetch.c
@@ -415,7 +415,13 @@ void *os()
 		info.col7 = BMAGENTA "   :_________`-;" BYELLOW;
 		info.col8 = BBLUE "    `.__.-.__.' " BYELLOW;
 		info.getPkgCount =
-		    "ls /usr/local/Cellar/* | grep ':' | wc -l | xargs";
+			"ls $HOMEBREW_CELLAR/* | grep ':' | wc -l | xargs";
+		if (!getenv("HOMEBREW_CELLAR")) {
+			fprintf(stderr, "HOMEBREW_CELLAR not set. Consider put\n\t"
+						 "HOMEBREW_PREFIX=<install_dir>\n\t"
+						 "eval $(${HOMEBREW_PREFIX}/bin/brew shellenv)\ninto your shell rc file.\n\n");
+			info.getPkgCount = "echo unsupported";
+		} 
 
 		char *macVer = malloc(64);
 		strcpy(macVer, "macOS ");