diff --git a/conf.d/sdk.fish b/conf.d/sdk.fish
index a8fb51d..fda9f13 100644
--- a/conf.d/sdk.fish
+++ b/conf.d/sdk.fish
@@ -10,9 +10,14 @@
 set sdkman_init "$HOME/.sdkman/bin/sdkman-init.sh"
 
 if test -f "$sdkman_init"
-    # Add candidate binaries to PATH
-    for ITEM in $HOME/.sdkman/candidates/* ;
-        set -gx PATH $PATH $ITEM/current/bin
+    switch "$PATH"
+    case "*$HOME/.sdkman/candidates/*"
+        # This is a subshell, SDKMAN! binaries already in path.
+    case '*'
+        # No SDKMAN! in PATH yet, so add candidate binaries
+        for ITEM in $HOME/.sdkman/candidates/* ;
+            set -gx PATH $PATH $ITEM/current/bin
+        end
     end
 
     # Declare the sdk command for fish